Home
Class 12
CHEMISTRY
If one mole of a gas occupying y L volum...

If one mole of a gas occupying y L volume is expanded against a constant external pressure of one atmosphere to a volume of x L, the work done by the system is ______.

A

`-p_(ex)(x+y)`

B

`-p_(ex)(x-y)`

C

`-p_(ex)(x//y)`

D

`-p_(ex)//(x-y)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise CRITICAL THINKING|95 Videos

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|97 Videos

  • CHEMICAL KINETICS

    TARGET PUBLICATION|Exercise Evaluation test|13 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    TARGET PUBLICATION|Exercise 7|3 Videos

Similar Questions

Explore conceptually related problems

1 mole of a gas occupying 3 L volume is expanded against a constant external pressure of 5 atm to a volume of 15 L. The work done by the system is __________ .

1 mole of gas occupying 3 litre volume is expanded against a constant external pressure of 1 atm to a volume of 15 litre. The work done by the system is:

One mole of a gas occupying 3dm^(3) expands against a constant external pressure of 1 atm to a volume of 13 lit. The workdone is :-

A gas expands against a constant external pressure so that the work done is 607.8 J . The work done in litre atmosphere is

A gas expands from 10 litres to 20 litres against a constant external pressure of 10 atm. The pressure-volume work done by the system is

A gas expands from 4.0 L to 4.5 L against a constant external pressure of 1 atm. The work done by the gas is (1 L-atm = 101.3 J)

An ideal gas is allowed to expand from 1 L to 10 L against a constant external pressure of 1 bar. Calculate the work done inkJ.

TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -EVALUATION TEST
  1. If one mole of a gas occupying y L volume is expanded against a consta...

    Text Solution

    |

  2. The enthalpy change for a reaction does not depend upon:

    Text Solution

    |

  3. The internal energy change when a system goes fromk state A to B is 40...

    Text Solution

    |

  4. Following gases have equal masses at the same temperature, pressure an...

    Text Solution

    |

  5. The standard enthalpy of formation (Delta(f)H^(@)) at 298K for methan...

    Text Solution

    |

  6. (Delta H - Delta U) for the formation of carbon monoxide (CO) from its...

    Text Solution

    |

  7. Identify the correct statement regarding a spontaneous process.

    Text Solution

    |

  8. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

    Text Solution

    |

  9. The heats of neutralisation of CH3 - COOH , H-COOH,HCN and H2 S are -1...

    Text Solution

    |

  10. The bond dissociation energy of gaseous H(2), Cl(2) and HCl are 104, 5...

    Text Solution

    |

  11. The difference between the heats of reaction at constant pressure and ...

    Text Solution

    |

  12. Given standard enthalpy of formation of CO(-110 "KJ mol"^(-1)) and CO(...

    Text Solution

    |

  13. H(2)(g)+1//2O(2)(g)=H(2)O(l) , Delta H(298 K)=-68.32 Kcal. Heat of vap...

    Text Solution

    |

  14. The heat change at constant volume for the decomposition of silver (I)...

    Text Solution

    |

  15. Which of the following value of DeltaH(f)^(@) represent that the produ...

    Text Solution

    |

  16. The enthalpy change (DeltaH) for the process N2H(4(g)) to 2N((g)) + 4H...

    Text Solution

    |

  17. For the two equations given below: H(2)(g)+1//2O(2)(g)toH(2)O(l)+x(1...

    Text Solution

    |

  18. For an endothermic reaction, where Delta H represents the enthalpy of ...

    Text Solution

    |

  19. The entropy chnge for a non-spontaneous reaction is 140 J/K.mole at 29...

    Text Solution

    |

  20. The entropy change for a certain non-spontaneous reaction is 150 J/K.m...

    Text Solution

    |

  21. C(2)H(4) +CI(2) rarr C(2)H(4)CI(2) DeltaH =- 270.6 kJ mol^(-1)K^(-1)...

    Text Solution

    |